:root{
    --primary-color: #409EFF;
}

html{
    width: 100%;
    height: 100%;
}

body{
    background: url('../images/bg.png') center center/cover no-repeat;
    overflow: hidden;
    width: 100%;
    min-height: 100%;
}


#loginForm{
    position: absolute;
    width: 400px;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    background-color: #FFF;
    border-radius: 5px;
    padding: 70px 35px 35px 35px;
}

.user{
    position: absolute;
    top: -50px;
    left: 50%;
    transform: translateX(-50%);
    background-color: #FFF;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 50px;
    box-shadow: 0 0 10px 2px rgba(0,0,0,0.2);
    color: var(--primary-color);
}

#loginForm input{
    width: calc(100% - 45px);
    height: 100%;
    border: 1px solid rgba(191, 191, 191, 0.5);
    padding-left: 40px;
    border-radius: 3px;
    outline-color: var(--primary-color);
    font-size: 15px;
}

#loginForm .input{
    position: relative;
    height: 45px;
    margin-bottom: 25px;
}

#loginForm .input:nth-child(3){
    display: flex;
}

#loginForm .input:nth-child(3) > input{
    width: 50%;
}

.captcha{
    width: 50%;
    height: 100%;
}

#captchaImg{
    width: calc(100% - 20px);
    height: 100%;
    margin-left: 20px;
}

#loginForm .input .fa{
    position: absolute;
    top: 50%;
    left: 15px;
    transform: translateY(-50%);
    font-size: 20px;
}

.login-button{
    width: 100%;
    border: none;
    outline: none;
    background-color: var(--primary-color);
    color: #FFF;
    font-size: 18px;
    cursor: pointer;
    border-radius: 5px;
    padding: 12px 0;
}

@media (max-width: 767px) {
    #loginForm{
        width: calc(100% - 90px);
    }
}